參數(shù)資料
型號(hào): HD74LV221A
廠商: Hitachi,Ltd.
英文描述: Dual Monostable Multivibrators(雙單穩(wěn)態(tài)多諧振蕩器)
中文描述: 雙單穩(wěn)態(tài)多頻振蕩器(雙單穩(wěn)態(tài)多諧振蕩器)
文件頁(yè)數(shù): 4/19頁(yè)
文件大?。?/td> 88K
代理商: HD74LV221A
HD74LV221A
4
Recommended Operating Conditions
Item
Symbol
Min
Typ
Max
Unit
Conditions
Supply voltage range
V
CC
V
I
V
O
I
OH
2.0
5.5
V
Input voltage range
0
5.5
V
Output voltage range
0
V
CC
–50
V
Output current
μ
A
V
CC
= 2.0 V
V
CC
= 2.3 to 2.7 V
V
CC
= 3.0 to 3.6 V
V
CC
= 4.5 to 5.5 V
V
CC
= 2.0 V
V
CC
= 2.3 to 2.7 V
V
CC
= 3.0 to 3.6 V
V
CC
= 4.5 to 5.5 V
V
CC
= 2.3 to 2.7 V
V
CC
= 3.0 to 3.6 V
V
CC
= 4.5 to 5.5 V
V
CC
= 2.0 V
V
CC
3.0 V
–2
mA
–6
–12
I
OL
50
μ
A
2
mA
6
12
Input transition rise or fall rate
t /
v
0
200
ns/V
0
100
0
20
External timing registance
Rext
5
k
1
External timing capacitance
Cext
unlimited
F
Operating free-air temperature
Note:
Unused or floating inputs must be held high or low.
Ta
–40
85
°
C
Logic Diagram
A
B
CLR
Q
Q
Q
CLR
Q
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